package de.test;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;

import org.springframework.web.WebApplicationInitializer;

public class MyWebApplicationInitializer implements WebApplicationInitializer {

	@Override
	public void onStartup(ServletContext container) throws ServletException {

		 System.out.println("!!!!!!!!!!!!!! ;-) !!!!!!!!!!!!");

	}

}

package de.test;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionIdListener;
import javax.servlet.http.HttpSessionListener;


@WebListener
public class MyWebListener implements ServletContextListener, HttpSessionIdListener, HttpSessionListener {

	@Override
	public void contextInitialized(ServletContextEvent event) {
		System.out.println("contextInitialized !!!!!!!! I'm only working when i was built with JDK8");
	}
		 
	@Override
	public void sessionIdChanged(HttpSessionEvent arg0, String arg1) {
		// TODO Auto-generated method stub
		
	} 

}